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laila [671]
3 years ago
12

Find the slope-intercept form of the line passing through the point (-4, -9) and parallel to the line y= -5x +4

Mathematics
1 answer:
Damm [24]3 years ago
5 0
It’s C. The slope needs to be the same. -5 makes it go down 5, right 1, and 5 makes it go up 5, right 1.
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The price of a set of kitchen cabinets is $1,500 in January. In February, the price is increased by 10%. After not selling, the
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The answer would be 1,567.50
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Anastasy [175]
1) A *the first option*
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5. Simplify the expression:
Anna007 [38]

Answer:

C

Step-by-step explanation:

2 times 10 is 20. 2 times x is 2x. 2 times -4 is -8. So that gives you 20+2x-8. Combine like terms, so you don't have anything that matches with 2x, so you leave that aside. So you subtract/add 20-8 which gives you 12 and add the 2x on that. So the full answer is 2x+12.

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A train travels a distance of 60 km at uniform speed. If the speed of the train was reduced by 10 kmh-1, the time taken to trave
tester [92]

Answer:

<u>Initial</u><u> </u><u>speed</u><u> </u><u>is</u><u> </u><u>3</u><u>2</u><u> </u><u>m</u><u>/</u><u>s</u>

At uniform speed, acceleration is 0, (a = 0).

When speed reduced, (v - u) = 2.78 ms-¹, t = 1800 sec, s = 60 ,000 metres.

From first equation of motion:

{ \boxed{ \bf{v = u + at}}} \\  { \tt{(v - u) = at}}

substitute:

{ \tt{2.78 = (a \times 1800)}} \\ { \tt{acceleration = 0.0015 \:  {ms}^{ - 2} }}

from second equation of motion:

{ \boxed{ \bf{s = ut +  \frac{1}{2} a {t}^{2} }}}

substitute:

{ \tt{60000 = 1800u + ( \frac{1}{2} \times 0.0015 \times  {1800}^{2})  }} \\ { \tt{1800u = 57570}} \\ { \tt{u = 32 \: m {s}^{ - 1} }}

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3 years ago
A builder has an 8-acre plot divided into
podryga [215]

Answer:

16

Step-by-step explanation:

8 divided by 1/2 is 16 sites

Hope this helped!

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3 years ago
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